/* ============================================================
   Befit – Mobile-first stylesheet
   Design values: warm, calm, accessible, non-clinical
   ============================================================ */

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg:          #faf8f5;
  --color-surface:     #ffffff;
  --color-border:      #e8e0d8;
  --color-primary:     #5c7a5f;
  --color-primary-dk:  #3e5941;
  --color-accent:      #d4845a;
  --color-focus:       #1a5c1e;  /* WCAG AA focus indicator – 7.2:1 on white */
  --color-text:        #2d2926;
  --color-muted:       #6b6560;
  --color-info-bg:     #eef4ef;
  --color-info-bd:     #a8c4ab;
  --color-warn-bg:     #fff8ec;
  --color-warn-bd:     #e6bb6a;
  --color-caution-bg:  #fef0ec;
  --color-caution-bd:  #e08060;
  --color-error-bg:    #fdecea;
  --color-error-bd:    #d9534f;
  --radius-sm:         8px;
  --radius-md:         14px;
  --radius-lg:         20px;
  --shadow-card:       0 2px 12px rgba(0,0,0,.07);
  --font-sans:         'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition:        .2s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Accessibility ── */
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

/* Skip navigation - visually hidden until focused (WCAG 2.4.1 Level A) */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: .75rem 1.25rem;
  background: var(--color-primary-dk);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top .15s ease;
}
.skip-nav:focus { top: 0; }

/* ── Header ── */
.app-header {
  background: var(--color-primary);
  color: #fff;
  padding: 1rem 1.25rem;
}
.header-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: .75rem;
  flex-wrap: wrap;
}
.logo { font-size: 1.4rem; font-weight: 700; letter-spacing: -.5px; margin: 0; }
.tagline { font-size: .85rem; opacity: .85; }

/* ── Main layout ── */
.app-main {
  flex: 1;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.app-footer {
  background: var(--color-border);
  color: var(--color-muted);
  font-size: .78rem;
  text-align: center;
  padding: .85rem 1rem;
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-primary-dk);
}

/* ── Upload area ── */
.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  overflow: hidden;
  position: relative;
}
.upload-area:hover,
.upload-area:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-info-bg);
}
.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--color-muted);
  text-align: center;
  padding: 1rem;
  pointer-events: none;
}
.upload-icon { font-size: 2.5rem; }
.upload-placeholder p { font-size: .9rem; }

.preview-img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
}

/* ── Query section header row ── */
.query-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .75rem;
}
.query-header .card-title {
  margin-bottom: 0;
}
.btn-reset-query {
  flex-shrink: 0;
  padding: .35rem .75rem;
  min-height: 44px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-primary);
  background: transparent;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-reset-query:hover { background: var(--color-info-bg); }
.btn-reset-query:active { transform: scale(.97); }

/* ── Query textarea ── */
.query-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .75rem;
  font-family: inherit;
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-bg);
  resize: vertical;
  transition: border-color var(--transition);
}
.query-input:focus { border-color: var(--color-primary); outline: none; }

/* ── Context details ── */
.context-details {
  margin-top: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.context-details summary {
  padding: .6rem .9rem;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-muted);
  list-style: none;
  user-select: none;
}
.context-details summary::-webkit-details-marker { display: none; }
.context-details[open] summary { border-bottom: 1px solid var(--color-border); }
.context-grid {
  padding: .9rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.context-grid label {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  font-size: .83rem;
  color: var(--color-muted);
}
.context-grid .full-width { grid-column: 1 / -1; }
.ctx-select, .ctx-input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .4rem .6rem;
  font-size: .9rem;
  background: var(--color-bg);
  font-family: inherit;
  color: var(--color-text);
}

/* ── Primary button ── */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  width: 100%;
  padding: .95rem 1.5rem;
  background: var(--color-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  box-shadow: var(--shadow-card);
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dk); }
.btn-primary:active:not(:disabled) { transform: scale(.98); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

/* ── Secondary button ── */
.btn-secondary {
  display: block;
  width: 100%;
  margin-top: 1.25rem;
  padding: .75rem;
  background: transparent;
  color: var(--color-primary);
  font-size: .95rem;
  font-weight: 600;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition);
}
.btn-secondary:hover { background: var(--color-info-bg); }

/* ── Spinner ── */
.spinner {
  width: 1.2rem; height: 1.2rem;
  border: 3px solid rgba(255,255,255,.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error banner ── */
.error-banner {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-bd);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  font-size: .9rem;
  color: #b22222;
}

/* ── Today's Plan card ── */
.today-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.tc-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}
.tc-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-dk);
}
.tc-goal {
  margin-top: .35rem;
  font-size: .95rem;
  color: var(--color-muted);
}
.tc-section-title {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: .6rem;
  color: var(--color-primary-dk);
}

/* Chip list */
.chip-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.chip-list li {
  background: var(--color-info-bg);
  border: 1px solid var(--color-info-bd);
  border-radius: 999px;
  padding: .25rem .7rem;
  font-size: .82rem;
  color: var(--color-primary-dk);
}
.chip-category {
  color: var(--color-muted);
  font-size: .75rem;
  margin-left: .3rem;
}

/* Flag list */
.flag-list { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
.flag-item {
  border-radius: var(--radius-sm);
  padding: .6rem .85rem;
  font-size: .875rem;
  line-height: 1.5;
}
.flag-info    { background: var(--color-info-bg);    border-left: 4px solid var(--color-info-bd);    }
.flag-warning { background: var(--color-warn-bg);    border-left: 4px solid var(--color-warn-bd);    }
.flag-caution { background: var(--color-caution-bg); border-left: 4px solid var(--color-caution-bd); }

/* Action list */
.action-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding-left: 0;
  counter-reset: actions;
}
.action-item {
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .85rem;
}
.action-number {
  counter-increment: actions;
  min-width: 2rem; height: 2rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}
.action-body { flex: 1; }
.action-title { font-weight: 700; font-size: .93rem; margin-bottom: .2rem; }
.action-desc  { font-size: .875rem; color: var(--color-muted); }

/* Why / Limitations */
.tc-why { font-size: .925rem; }
.tc-limitations {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .75rem;
  font-size: .8rem;
  color: var(--color-muted);
  line-height: 1.55;
}
.tc-limitations p::before { content: "⚠️  "; }

/* ── Responsive ── */
@media (max-width: 420px) {
  .context-grid { grid-template-columns: 1fr; }
  .context-grid .full-width { grid-column: 1; }
}

/* ── Voice toolbar ── */
.voice-toolbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: .75rem 0 .5rem;
  flex-wrap: wrap;
}

/* Mic button */
#btn-mic {
  min-width: 48px;
  min-height: 48px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  background: var(--color-surface);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
  box-shadow: var(--shadow-card);
}
#btn-mic:hover:not(:disabled) {
  background: var(--color-info-bg);
  border-color: var(--color-primary-dk);
}
#btn-mic:active:not(:disabled) { transform: scale(.93); }
#btn-mic:disabled { opacity: .4; cursor: not-allowed; }

/* Mic active (listening) state */
#btn-mic.mic-active {
  background: #ffe8e8;
  border-color: #d9534f;
  box-shadow: 0 0 0 4px rgba(217, 83, 79, .18);
  animation: mic-pulse 1.4s ease-in-out infinite;
}
@keyframes mic-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(217, 83, 79, .18); }
  50%       { box-shadow: 0 0 0 8px rgba(217, 83, 79, .08); }
}

/* Always-on toggle switch */
.toggle-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  user-select: none;
  font-size: .88rem;
  color: var(--color-muted);
}
.toggle-label input[type="checkbox"] {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0; overflow: hidden;
}
.toggle-track {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--color-border);
  border-radius: 999px;
  transition: background var(--transition);
  flex-shrink: 0;
}
.toggle-label input:checked ~ .toggle-track {
  background: var(--color-primary);
}
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.toggle-label input:checked ~ .toggle-track .toggle-thumb {
  transform: translateX(18px);
}
.toggle-label:has(input:focus-visible) .toggle-track {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}
.toggle-text {
  font-size: .85rem;
  color: var(--color-muted);
  white-space: nowrap;
}

/* Mic status text */
.mic-status {
  font-size: .82rem;
  color: var(--color-primary);
  font-style: italic;
  min-width: 6rem;
  transition: opacity var(--transition);
}

/* Mic error message */
.mic-error {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-bd);
  border-radius: var(--radius-sm);
  padding: .5rem .85rem;
  font-size: .85rem;
  color: #7a5a1a;
  margin-bottom: .5rem;
}

/* Responsive: stack toolbar on very small screens */
@media (max-width: 360px) {
  .voice-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── TTS audio player bar (ElevenLabs) ── */
.tts-bar {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  padding: .65rem .85rem;
  background: var(--color-info-bg);
  border: 1px solid var(--color-info-bd);
  border-radius: var(--radius-sm);
}

.tts-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .4rem .85rem;
  min-height: 44px;
  font-size: .88rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--color-primary-dk);
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.tts-btn:hover:not(:disabled) { background: #d9edd9; }
.tts-btn:active:not(:disabled) { transform: scale(.96); }
.tts-btn:disabled { opacity: .45; cursor: not-allowed; }

.tts-btn--play {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.tts-btn--play:hover:not(:disabled) { background: var(--color-primary-dk); }

.tts-icon { font-size: 1rem; line-height: 1; }

.tts-status {
  font-size: .82rem;
  color: var(--color-muted);
  font-style: italic;
  margin-left: auto;
  min-width: 8rem;
  text-align: right;
}

@media (max-width: 420px) {
  .tts-bar { gap: .4rem; }
  .tts-label { display: none; }
  .tts-status { min-width: auto; margin-left: 0; }
}

/* ── Upload header (title + auto-capture toggle row) ── */
.upload-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.upload-header .card-title { margin-bottom: 0; }

/* ── Live Camera ─────────────────────────────────────────────────────────── */
.camera-container {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #111;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.camera-feed {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
}

/* Hint pill - top-left corner */
.camera-overlay {
  position: absolute;
  top: .6rem; left: .6rem;
  pointer-events: none;
}
.camera-hint {
  display: inline-block;
  background: rgba(0,0,0,.52);
  color: rgba(255,255,255,.92);
  font-size: .78rem;
  padding: .2rem .65rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  line-height: 1.4;
}

/* Controls bar - bottom gradient scrim */
.camera-controls {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: .6rem .75rem;
  background: linear-gradient(transparent, rgba(0,0,0,.42));
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: .5rem;
}

.btn-capture {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  min-height: 48px;
  background: var(--color-primary);
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
  transition: background var(--transition), transform var(--transition);
}
.btn-capture:hover  { background: var(--color-primary-dk); }
.btn-capture:active { transform: scale(.95); }
.capture-icon { font-size: 1.2rem; line-height: 1; }

.btn-icon-sm {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.2);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
  transition: background var(--transition);
}
.btn-icon-sm:hover { background: rgba(255,255,255,.35); }

/* Preview after capture / upload */
.preview-container {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.preview-img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
}
.btn-retake {
  position: absolute;
  top: .6rem; right: .6rem;
  padding: .35rem .85rem;
  min-height: 44px;
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: .85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: background var(--transition);
}
.btn-retake:hover { background: rgba(0,0,0,.75); }

/* Camera error */
.camera-error {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-bd);
  border-radius: var(--radius-sm);
  padding: .6rem .85rem;
  font-size: .875rem;
  color: #7a5a1a;
  margin-top: .5rem;
}

/* Upload toolbar (always-available fallback) */
.upload-toolbar {
  margin-top: .75rem;
  display: flex;
  justify-content: flex-end;
}
.btn-upload-label {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .9rem;
  min-height: 44px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: transparent;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.btn-upload-label:hover { background: var(--color-info-bg); }

/* Listen button - accessible orange, 4.52:1 on white (WCAG AA) */
.tts-btn--listen {
  background: var(--color-surface);
  color: #b5622c;
  border-color: #b5622c;
}
.tts-btn--listen:hover:not(:disabled) { background: var(--color-caution-bg); }

/* Voice-commands hint row */
.tts-voice-hint {
  width: 100%;
  font-size: .75rem;
  color: var(--color-muted);
  letter-spacing: .01em;
  padding-top: .1rem;
}
@media (max-width: 420px) { .tts-voice-hint { display: none; } }